Hi Andy, yes, I contacted some editors and typically got positive feedback, so it is clear to me that nobody intended to create unusable data.
I just don't understand why iD offers a method to combine elements when this is such a tricky thing. Why would a "beginner" need that? ciao, Gerd > To: [email protected] > From: [email protected] > Date: Tue, 13 Oct 2015 13:02:34 +0100 > Subject: Re: [OSM-dev] iD creates invalid (?) highway tags > > On 13/10/2015 09:03, GerdP wrote: > > Hi all, > > > > I wonder why iD allows to create ways with e.g. > > highway=primary;service > > or similar combinations? > > > > Whilst there are technical things that editors can do (P2's visual > indication shows that semicolon values are "wrong" is one example), it's > not really a technical problem. > > New mappers that create something like "highway=primary;service" do so > because they don't really understand what they're doing yet. It's not > obvious to new mappers that a road called "High Street" needs to be > split into several sections if part is primary, part residential and > part something else. The only way they're going to find out is if > something that they see before they start mapping explains this (tricky, > because it's a bit of an information overload if all they want to do is > add e.g. a node for a POI). > > Also, it's not always possible to pick things like this up within the > editor at all; for example merging a "highway=residential; > sidewalk=both" with a "highway=residential" that doesn't yet have the > sidewalk surveyed. Did the mapper survey the missing sidewalk or merge > it my accident? > > What we're going to have to keep doing in these cases is spotting new > mappers and helping them when they get it wrong*. Editing OSM is > complicated, especially in detailed urban areas or where a previous > mapper or import was over-heavy on the multipolygons. > > Cheers, > > Andy > > * which a quick scan of http://resultmaps.neis-one.org/osm-discussions > suggests that you're doing already a _lot_, so thanks very much for that! > > > > > _______________________________________________ > dev mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/dev
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